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Finding the Fourth Proportional to 508,520, 701,886.56 and 347,440.16

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Solution

The fourth proportional to 508,520, 701,886.56 and 347,440.16 is: 479,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,520 : 701,886.56 = 347,440.16 : x
  2. Step 2: Convert to fraction form
    508,520/701,886.56 = 347,440.16/x
  3. Step 3: Cross multiply
    508,520x = 701,886.56 × 347,440.16
  4. Step 4: Simplify right side
    508,520x = 243,863,578,708.25
  5. Step 5: Solve for x
    x = 243,863,578,708.25/508,520
  6. Step 6: Final answer
    x = 479,555.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.